Practice Atlassian Coding Question | Real Coding Interviews

Quick Summary

Design a system to track files across multiple collections with optional hierarchical relationships.
Calculate global file totals and aggregate collection sizes that include descendant collection data.
Efficiently retrieve the top-k largest collections based on aggregated sizes and lexicographical tie-breaking.

What This Tests

Common Patterns

Hashing

Graph Traversal

Heap / Priority Queue

Sorting

Test Cases

Input

Output

Expected